<script>
    console.log(Math.random()); // 0-1 
    console.log(Math.ceil(3.14)); // 4
    console.log(Math.floor(3.14)); // 3

    let user = ["艾伦" , "三笠" , "阿尔敏" , "艾尔文" , "韩吉" , "利威尔"];
    let randomIndex = parseInt(user.length * Math.random());
    console.log("调查兵团扛把子: " , user[randomIndex]);
</script>